title: The magnitude of blood lactate increases from high speed workouts.
abstract: To examine blood lactate concentrations from high-speed exercise resistive exercise, subjects performed workouts on an inertial kinetic exercise (Oconomowoc, WI) device. Workouts entailed two 60-s sets of elbow flexor (curling) repetitions. Pre- and post-exercise blood lactate concentrations were measured, via a fingertip blood drop, with an analyzer. From workouts the average acceleration, maximum force and total torque were derived. Blood lactate concentrations were analyzed with a 2 (gender)×2 (time) ANOVA, with repeated measures for time. Average acceleration, maximum force and total torque were analyzed with one-way (gender) ANOVAs. With an α=0.05, blood lactate concentrations had a time (pre<post) effect, while exercise performance variables had gender (men>women) effects. Current blood lactate concentrations were commensurate with other studies that used a modest level of resistance and engaged a small muscle mass. Given the current workout protocol and muscle mass engaged, as well as parallels to other results, our study appears to offer a valid portrayal of subsequent changes in blood lactate concentrations from high-speed resistive exercise.
authors.affiliation: Exercise & Sport Sciences Program, University of Tulsa, United States. john-caruso@utulsa.edu
authors.forename: J F
authors.initials: JF
authors.lastname: Caruso
authors.forename: S
authors.initials: S
authors.lastname: Kucera
authors.forename: T
authors.initials: T
authors.lastname: Jackson
authors.forename: P
authors.initials: P
authors.lastname: Hari
authors.forename: N
authors.initials: N
authors.lastname: Olson
authors.forename: J
authors.initials: J
authors.lastname: McLagan
authors.forename: S T
authors.initials: ST
authors.lastname: Taylor
authors.forename: C
authors.initials: C
authors.lastname: Shepherd
mesh_terms: D000704:Analysis of Variance; D005080:Exercise Test / Q000295:instrumentation / Q000379:methods; D005260:Female; D006801:Humans; D007773:Lactates / Q000097:blood* / Q000378:metabolism; D008297:Male; D010807:Physical Endurance / Q000502:physiology*; D055815:Young Adult
chemical_list: D007773:Lactates